﻿// Copyright 2004-2011 Castle Project - http://www.castleproject.org/
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

namespace Castle.DynamicProxy.Contributors
{
	using Castle.DynamicProxy.Generators;
	using Castle.DynamicProxy.Generators.Emitters;

	public class InterfaceProxyWithOptionalTargetContributor : InterfaceProxyWithoutTargetContributor
	{
		private readonly GetTargetReferenceDelegate getTargetReference;

		public InterfaceProxyWithOptionalTargetContributor(INamingScope namingScope, GetTargetExpressionDelegate getTarget,
		                                                   GetTargetReferenceDelegate getTargetReference)
			: base(namingScope, getTarget)
		{
			this.getTargetReference = getTargetReference;
		}

		protected override MethodGenerator GetMethodGenerator(MetaMethod method, ClassEmitter @class,
		                                                      ProxyGenerationOptions options,
		                                                      OverrideMethodDelegate overrideMethod)
		{
			if (!method.Proxyable)
			{
				return new OptionallyForwardingMethodGenerator(method, overrideMethod, getTargetReference);
			}

			return base.GetMethodGenerator(method, @class, options, overrideMethod);
		}
	}
}